26642020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{443}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 58480128

約数和(自身を除く): 31838108

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 97, 124, 155, 194, 310, 388, 443, 485, 620, 886, 970, 1772, 1940, 2215, 3007, 4430, 6014, 8860, 12028, 13733, 15035, 27466, 30070, 42971, 54932, 60140, 68665, 85942, 137330, 171884, 214855, 274660, 429710, 859420, 1332101, 2664202, 5328404, 6660505, 13321010, 26642020]

約数ペア:

[(1, 26642020), (2, 13321010), (4, 6660505), (5, 5328404), (10, 2664202), (20, 1332101), (31, 859420), (62, 429710), (97, 274660), (124, 214855), (155, 171884), (194, 137330), (310, 85942), (388, 68665), (443, 60140), (485, 54932), (620, 42971), (886, 30070), (970, 27466), (1772, 15035), (1940, 13733), (2215, 12028), (3007, 8860), (4430, 6014)]